On Wed, Jul 27, 2022 at 06:22:41PM +0200, Pankaj Raghav wrote: > --- a/drivers/md/dm-zoned-target.c > +++ b/drivers/md/dm-zoned-target.c > @@ -792,6 +792,10 @@ static int dmz_fixup_devices(struct dm_target *ti) > return -EINVAL; > } > zone_nr_sectors = bdev_zone_sectors(bdev); > + if (!is_power_of_2(zone_nr_sectors)) { > + ti->error = "Zone size is not power of 2"; This could print what's the value of zone_nr_sectors > + return -EINVAL; > + } > zoned_dev->zone_nr_sectors = zone_nr_sectors; > zoned_dev->nr_zones = bdev_nr_zones(bdev); > } > @@ -804,6 +808,10 @@ static int dmz_fixup_devices(struct dm_target *ti) > return -EINVAL; > } > zoned_dev->zone_nr_sectors = bdev_zone_sectors(bdev); > + if (!is_power_of_2(zoned_dev->zone_nr_sectors)) { > + ti->error = "Zone size is not power of 2"; Same > + return -EINVAL; > + } > zoned_dev->nr_zones = bdev_nr_zones(bdev); > } > > -- > 2.25.1